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Diffstat (limited to 'src/libsystemd-network/lldp-internal.h')
-rw-r--r-- | src/libsystemd-network/lldp-internal.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/libsystemd-network/lldp-internal.h b/src/libsystemd-network/lldp-internal.h new file mode 100644 index 0000000000..dbaf389792 --- /dev/null +++ b/src/libsystemd-network/lldp-internal.h @@ -0,0 +1,93 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright (C) 2014 Tom Gundersen + Copyright (C) 2014 Susant Sahani + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#pragma once + +#include "log.h" +#include "list.h" +#include "refcnt.h" +#include "lldp-tlv.h" +#include "prioq.h" + +typedef struct lldp_neighbour_port lldp_neighbour_port; +typedef struct lldp_chassis lldp_chassis; +typedef struct lldp_chassis_id lldp_chassis_id; + +struct lldp_neighbour_port { + uint8_t type; + uint8_t *data; + + uint16_t length; + usec_t until; + + unsigned prioq_idx; + + lldp_chassis *c; + tlv_packet *packet; + + LIST_FIELDS(lldp_neighbour_port, port); +}; + +int lldp_neighbour_port_new(lldp_chassis *c, tlv_packet *tlv, lldp_neighbour_port **ret); +void lldp_neighbour_port_free(lldp_neighbour_port *p); +void lldp_neighbour_port_remove_and_free(lldp_neighbour_port *p); + +DEFINE_TRIVIAL_CLEANUP_FUNC(lldp_neighbour_port *, lldp_neighbour_port_free); +#define _cleanup_lldp_neighbour_port_free_ _cleanup_(lldp_neighbour_port_freep) + +struct lldp_chassis_id { + uint8_t type; + uint16_t length; + + uint8_t *data; +}; + +struct lldp_chassis { + RefCount n_ref; + + lldp_chassis_id chassis_id; + + Prioq *by_expiry; + Hashmap *neighbour_mib; + + LIST_HEAD(lldp_neighbour_port, ports); +}; + +int lldp_chassis_new(tlv_packet *tlv, + Prioq *by_expiry, + Hashmap *neighbour_mib, + lldp_chassis **ret); + +void lldp_chassis_free(lldp_chassis *c); + +DEFINE_TRIVIAL_CLEANUP_FUNC(lldp_chassis *, lldp_chassis_free); +#define _cleanup_lldp_chassis_free_ _cleanup_(lldp_chassis_freep) + +int lldp_mib_update_objects(lldp_chassis *c, tlv_packet *tlv); +int lldp_mib_add_objects(Prioq *by_expiry, Hashmap *neighbour_mib, tlv_packet *tlv); +int lldp_mib_remove_objects(lldp_chassis *c, tlv_packet *tlv); + +int lldp_read_chassis_id(tlv_packet *tlv, uint8_t *type, uint16_t *length, uint8_t **data); +int lldp_read_port_id(tlv_packet *tlv, uint8_t *type, uint16_t *length, uint8_t **data); +int lldp_read_ttl(tlv_packet *tlv, uint16_t *ttl); + +#define log_lldp(fmt, ...) log_internal(LOG_DEBUG, 0, __FILE__, __LINE__, __func__, "LLDP: " fmt, ##__VA_ARGS__) |